Factor ONE Premium Package - Onyx Black Size:47 RED E1 crank arms deliver

RED E1 crank arms deliver uncompromising efficiency

Large/X-large (59-61 cm

KMC's X11 series offers great advantages on your current 11-speed system

which slots into a lever for improved tensioning power

140mm Maestro Suspension

Factor ONE Premium Package - Onyx Black Size:47 RED E1 crank arms deliverFactor One is UCI Legal Image is for reference, please read below for Specifications. Revolutionary Evolution The ONE is not a revolution pulled from thin air; it is the evolution of everything weve learned in recent years. From the Olympic record breaking HANZ Track to the all conquering OSTRO VAM, each project has added layers of knowledge. Weve amassed a deep understanding of form and shapes, fusing CFD, wind tunnel, and real world knowledge. How